Woodworking-machine.



D. 3.. COURTNEY. WOODWORKING MAOHINE, APBLIUATION FILED A1B.2a6.1908;

Patented June 8,1909. 4 gums-531mm 1.

' D. s, COURTNEY.

WOODWORKING MAUHINE.

I APPLICATION FILED APR. 25. 190B.

Patented J1me 8,1909.

4 sEnms-snnm 2.

1). s. COURTNEY. WOODWORKING MACHINE. APPLICATION FILED APB. 26.1908.

Patented June 8, 1909.

4 SHEETS-SHEET 8.

" 1). s1 COURTNEY.

WOODWORKING MACHINE. uruouxon FILED APR. 26.1908.

a 2 Mm $3 mu 1V,

UNITED STATES DANA S. COURTNEY, OF GHI OOPEE'MASSAOHUSETTS.

WOODWORKING-MACI-IINE.

Specification of Letters Patent.

Application filed April 25,

Patented June a, 1909.

1908. Serial No. 429,171.

To all whom it may concern."

Be it known that I, DANA S. COURTNEY, a citizen of the United States ofrunerica, and resident of Chicopee, in the county of Hampden and Stateof Massachusetts, have invented certain new and useful Improvements inVoodworkingMachines, of which the following is a full, clear, and exactdescription.

This invention relates to wood working machinery, and more especially tothat class thereof which are employed for finishing or trimming theend-nibs of bobbins or spools, after they have been turned in a lathe orsimilar machine; and it has for one of its objects the provision of amachine for trimming both ends in a single operation.

The invention has, furthermore, for its object the provision of amachine of this character which is adapted to perform its function onone bobbin while the operator is enabled to put another bobbin intoposition to be operated upon as soon as the first one has been finished,the machine incorporating a mechanism whereby the finished bobbin isautomatically discharged and afresh blank permitted to drop into placeand into alinement with suitable cutting devices whereby the ends of theblanks are trimmed.

The invention has, furthermore, for its object the provision of improvedmeans for clamping each bobbin in place automatically, and which areadapted to release the same upon the return movement of the carriageupon which the clamping mechanism is supported.

Further objects of the invention will be found in the generalorganization and construction of the component elements as will behereinafter described, and the means for the attainment of which will beparticularly specified in the claims.

Briefly stated, the present machine comprises a pair of rotatablecutters, one of which is preferably movable relatively to the other, andbetween which the work to be operated upon will be disposed in such amanner that, as the movable cutter advances,

it will first engage one end of the work which is supported on a slideor carriage, then move both, the carriage and also the work, toward andinto engagement with the sta tionary cutter, and finally operate on theend which had been first engaged thereby.

The carriage is, in the present instance, reciprocatory, and upon itsreturn movement the finished blank will be discharged from the carriageautomatically, and a new blank will be permitted to fall into place onthe carriage and in position to be operated upon by the cutters.

The invention is clearly illustrated in the accompanying drawings inwhich similar characters denote similar parts, and in which,-

' Figure 1 illustrates a side view of a machine embodying myimprovements; Fig. 2 shows one of the blanks or bobbins as it appearsbefore it enters the machine, and in its unfinished or untrimmedcondition. Fig. 3 shows the same bobbin after it has been finished andleft the machine; Fig. 4 is a transverse-section on line 44, Fig. 1.Figs. 5 and 6, collectively, are perspective views of the feeding-indevice and the supporting means for the blanks employed during and priorto the operation of the cutters. Fig. 7 is a top view of thework-supporting carriage and its driving mechanism, the parts beingshown in normal or retracted position. Fig. 8 is a side view thereofsome of the parts being shown in section; Figs. 9 and 10 are top viewand side view, respectively, of the machine, and corresponding to Figs.7 and 8, the different parts, however, being shown in their mostadvanced position.

Referring to the drawings, denotes the bed supported on standards orlegs 21 and having at the right hand thereof what may be termed a headstock 22 rotatably supporting a cutter spindle 23 which is provided witha cone pulley 24 and is adapted to receive at its forward end a cutter 0whereby the base-end of the blank or bobbin, shown at b inFig. 2, is tobe trimmed off. Also supported on the bed 20 is a tail stock '25rotatably supporting a spindle 26, the forward end of which is providedwith a cutter 0 and the rear end of which loosely carries a dependingswivel bracket 27 which is provided with a roller 28 to be engaged by acam 29. This cam, which is clearly shown as in Figs. 7 and 9, has anactive working face 30 and a quick return portion 31, which latter willpermit the spindle 26 to be rapidly retracted, as for instance by aspring 32 attached to the bracket 27 and also held on a fixed stud 33secured to the bed 20.

The cam 29 is mounted upon a vertical spindle or post 34 and its hubcarries a worm gear 35 in engagement with a worm 36 secured to, orconstituting a part of, a

shaft 37 which is journaled in bearings 38 and 39 of the tail stock 25and bed 20 respectively, and which carries a cone pulley 40, to whichpower may be imparted from any convenient source.

The cutter spindle 26 is provided with a belt pulley 41 which is drivenat a high rate of speed, the organization, however, being such that thespindle 26 may move longitudinally through the pulley 41,endwisemovement of which is prevented by bearings 25 on the tail stock25.

In order to maintain the roller 28 in proper position relative to thecam 29, I provide a rod 42 which may be rigidly secured to the bracket27 by a set screw 43 and which, furthermore, is supported in the tailstock 25 as clearly shown in Fig. 8.

interposed between the cutters 0, 0 and supported on the bed 20, are apair of frame sections 45, 46, (see Figs. 4 and 5) supported on a knee47 which in turn may be secured to the bed 20 by a bolt 48. The upperfaces of these frame sections 45 and 46 are provided with grooves, 49,50, to receive and slidably support a pair of carriage sections 51, 52,(see Fig. 4) which are provided at their rear ends with rods 53, 54 (seeFig. 7), both of which are rigidly united by a yoke held in place bynuts 56, 56, so that in this manner both carriage sections 51 and 52will be caused to move simultaneously.

The means for supporting the blanks or bobbins comprise in the presentinstance a feed mechanism consisting substantially of wing wheels, thearms of which are so disposed as to adapt them to receive betweenthemthe blanks as they are consecutively permitted to fall into placethereon, and as controlled by a blank-receiving or primary feed wheel,which in the present instance is superposed to the secondary blankholding wheel, both wheels, however, being united for co-rotation and soorganized that when the lower supporting wheel is rotated to dischargeor liberate the finished bobbin from the machine, the upper wheel willbe correspondingly rotated to permit a new bobbin to drop into place onthe next succeeding wing of the lower supporting wheel, thisorganization being clearly shown in Figs. 4 and 5.

Supported on the slide 52 are a pair of uprights 60 and 61, rotatablysupporting (near their lower ends) a pair of wing wheels 62, the arms ofwhich are adapted to project beyond the edges 60, 60 of the uprights 60and 61. These edges in connection with edges 63 and 64 of uprights 63and 64, respectively (secured to the carriage section 51), form a troughfor guiding the consecutive blanks or bobbins onto the wings or bladesof the wing wheels 62 and into axial alinement with the cutters 0 and 0The carriage is, in the present instance, mounted for reciprocation ascontrolled by the movement of the rod 42 above mentioned. (see Fig. 8)the latter being provided with a pin 5 which constitutes an actuator forthe carriage by coming into contact with a still spring 66 secured tothe side of the yoke 55, so that the rod 42 (during the initialmovement. thereof, and also of the cutter spindle 26), will not actuatethe carriage until said pin (35 engages said spring (36. at which timethe cutter (F, or more particularly speaking the center portion 1:thereof, will have eu gaged the rear end of the tubular bobbin or blank.3 without, however, performing any cutting action thereon. such actionnot occurring until after the bobbin has been endwise forced to theaction of the cutter (r, and confined by gripping jaws hereinafterreferred to. At. this time also it will be observed that i'he bobbin 1)is resting upon the inner wings of the wheels 62 in an entirely free orloose condition, and, furthermore that as the rotation of the cam 30continues, the bobbin will be pushed forward independently of thecarriage, which will then also be caused to advance by virtue of themovement of the rod 42 and the pin 5 thereof until the lower end of thebobbin ll will be seated over a central projection a" of the cutter 0against which it will be forced, and which will then serve to trim theprojection t) of the bobbin at. that end. clearly shown. in Fig. 2. Assoon as this projection has been trimmed oil, the cutter will beadvanced still further, while the advance movement of the bobbin B isarrested. this continued moven'icnt of the cut.- ter 0 being permissibleby virtue of the spring 66 yielding sutliciently to permit: the smalladvance movement of the cutter spindle 26 required to trim oil theprojection 7) of the bobbin B.

Means are provided for disengaging the cutter from the rear end of thebobbin 1), these means consisting preferably of a tongue 70 (see Fig. 6)pivoted at 71 to a vertical guide blade 72 which in turn is secured by ascrew 73 to a strap 74. the latter being represented as being brokenoll' in Fig. 5 in order to disclose the mechanism in the rear thereof;it being understood, however, that the end of the bar 74 shown in Fig. 6constitutes in reality a. continuation of the bar 74 in Fig. 5.

The guide blade 72 serves to locate the bobbins endwise in the trough sothat, the ends of the successively entering bobbins ltltl will beproperly located on the carriage and the clamping action and the workperformed by the cutters will be uniform.

Inasmuch as it is evident from the above description, that the guideblade 72 is stationary. as far as the advance movement of the bobbin isconcerned. it follows that when the bobbin is pushed forward by thecutter a the head of the bobbin will be forced past'the tongue whichwill then immediately resume its position back of the head, such actionbeing facilitated by a spring 7 5 and so that when the spindle 26 of thecutter head a is retracted by the spring 82, the bobbin will beprevented from following it and the cutter 0 will, therefore, be withdrawn therefrom.

Means are provided for preventing rotation of the bobbin B during theoperation of the cutters, these means consisting preferably of a pair ofjaws 80, 81, (see Fig. 7)

connected by parallel links 82, 83, with studs 1 84:, 85, respectively,secured on the frame sections 45, 46, the gripping faces of the jawsthus moving in parallelism and toward each other, while the free ends ofsaid links or jaws 80, 81, carried thereby, are connected by links 86,87(see Figs. 7 and 5) with'the slide sections 52, 51, respectively. Henceit will be seen that when the slide or carriage is advanced toward theright, the jaws 80, 81, will approach each other and finally grip thebobbin between them; while, on the other hand, the return movement ofthe carriage will result in withdrawing the jaws therefrom, the initialportion of said return movement naturally resulting in withdrawing thebobbin from the cutter 0.

During the forward movement of the slide or carriage, the wing wheels62' are held against rotation to prevent the bobbin from leaving thewings which support it, these means consisting of a ledge 90 (see Fig.5) secured to the frame of the machine, and on the underside of whichthat wing of the wheel 62 which is opposite to the supporting wingthereof, rests, and the bobbin is centered on the projections of thecutters before the resisting wing of the wheel shall have passed outfrom under the ledge 90. This ledge is furthermore extended by a cam 91,the under side of which is flush with the underside of the ledge 90, andwhich is also engaged by the resisting wing of the wheel 62. When nowthe carriage is advanced toward the cutter 0, (thus shifting theresisting wing of the wheel 62 along and finally clear of the undersidesof the ledge 90 and cam 91), said wing will finally encounter a trippingmechanism whereby the resisting wing of the wheel 62 will be engaged toturn said wheel sufficiently to bring said wing to a position slightlyabove the top surface of the cam 91 and also the upper face of the ledge90, and then return to normal or retracted position by riding over thesesurfaces, this movement being very rapid on account of the action of thespring 32 and the cut-away portion of the cam 29, the momentum of saidwheel being suflicient to bring the next wing thereof into engagementwith the underside of the ledge 90 and the cam 91, and its opposite winginto the trough spindle 93 which is journaled in a bracket 94 l on theframe and has a pin 95 actuated upon by a spring 96, the other end ofwhich is secured to the frame so that the tendency of the spring 96 isto throw the blade 92 upward while at the same time said spring willtime the tripping mechanism so as to be uniform to prevent breakage ofthe wheel wings 62, which latter will naturally move said blade to someextent and until said wheel has passed out from under the cam by-pass91, whereupon the spring 96 will rotate the wheel 62 sufficiently tobring the end of the wing slightly above the active face of saidby-pass.

Means are provided to facilitate the insertion of individual blanks orbobbins into the machine so that unskilled labor may be employed and themachine will be rendered automatic not only to discharge the finishedarticle but also to admit an unfinished blank in the place of thelatter. In order to accomplish this object, I provide another set ofwing wheels 110 to constitute a feeding mechanism, said wheels beingdisposed above the work-supporting wheels and connected for co-rotation,as for instance by chains 98, 99 (see F ig. 7) in engagement withsprocket wheels 100 secured upon the upper wheel shaft 101, and sprocketwheels 102 of the lower wing wheels 62, said shaft 101 being journaledin the uprights 60, 61, respectively, as is clearly shown in Fig. 7.

Means are provided for guarding against breakage of the cutters when thecarriage and the bobbins carried thereby are moved up toward the cutter,these means being preferably of a yielding nature so that the cutterspindle 23 may have endwise movement, it being understood, however, thatsaid spindle will be held in its normal or engaging position thereby. InFig. 1 I have shown these means as consisting of a weight 120 supportedon an angle lever 121 which is fulcrumed at 122 on a bracket 123 carriedon the head stop 22, the organization being such that the short arm ofthe lever 121 will rest against the end of the spindle 28 so that whenthe latter should be pushed toward the right by a superabundance offorce exerted by the movement of the carriage,

said weight will permit the spindle 23 to yield to such pressuremomentarily and until the cutters have performed their functions.

The operation of my improved machine is Cir any suitable source) will beadvanced until the projection 0 of the cutter 0 will engage the rear endof the bobbin B, which at this time rests upon the inwardly projectingrings of the wing wheels 6 At the same time the rod 42 carried by thedepending arm 27 of the cutter spindle 26 will slide through theaperture in the yoke 55 until the pin (35 brings up against the outerface of the spring 66 whereupon both, the bobbin 1% and. the carriage,will be advanced simultaneously toward the cutter 0. This advancemovement will result in swinging the jaws SO, 81, toward each other togrip the bobbin B and prevent the same from rota tion with the cuttersubsequent to its engagement therewith. As the carriage is now furtheradvanced toward the cutter c, the head end of the bobbin B will bebrought into engagement with the latter on which it will be centered byvirtue of the projection c, and the supertlous stock 7) of the bobbin Bwill thus be removed by said cutter. After this function has beenperformed and the end face of the bobbin B is in engagement with thecollar portion of the cutter 0, a further advance movement of thespindle 26 will result in forcing the cutter 0 against the rearbobbin-end and thus remove the surplus stock 6 thereof, while at thesame time the rod 42 may have this additional movement without movingthe carriage by virtue of the spring (36 yielding to the pressure of thepin 65 of the rod.

During the advance movement of the carriage, the resisting wing of thesupporting wheel 62 will slide on the underside of the ledge90 and camby-pass 91, and then come into contact with the primary wheel-actuator92 which is placed under tension of the spring 96 by the time that saidwing has passed from under the end of the by-pass 91 so that during thefinal advance movement of the carriage the resisting wing of the wheel62 will be slightly turned by the return of the blade 92 to its normalposition, this turning movement being just suflicient to cause the endof the wing (32 to come into position above the toe of the by-pass 91.By this time the active face of the cam 29 has reached its highest pointof movement relatively to the roller 28, and the spring 82 can nowbecome active and quickly return the carriage and the parts appurtenantthereto, to normal position. That wing of the wheel 62 which hadheretofore acted as a resisting medium for preventing the rotation ofthe wheel and also its companion 110,' will now become effective inrotating the wheels 62 and 110 partially, thereby re moving thesupporting wing of the wheel (32 from under the finished bobbin B, andalso permitting a new blank B to drop onto the next wing of the wheel62, which projects into the trough between the uprights (30, 61,

and 63, (34, the gravitative descent of the latter blank B serving alsoto rotate the wheel (32 until its opposite wing has brought up againstthe underside of the cam-stops and 91, as will be clearly understood.

I claim 1. The combination, with a cutter, a reciprocatory carriage, anda gravitative bobbin-feed on said -arriagc, of m H1115 for gripping abobbin during and by the advance movement of the carriage, means forreleasing the bobbin during the return movement of the carriage, andmeans con trolled by the movement of the carriage for actuating thebobbin feed.

2. The combination, with a cutter, a reciprocatory carriage, abobbin-feed mechanism comprising a pair of rotatable carriers and meansfor connecting said carriers for simultaneous rotation, of means foractuating one of said carriers to release the finished bobbin from onecarrier during the return movement of the carriage and to bring the nextbobbin from the other carrier into position on the irst carrier to beacted upon b the cutter.

3. The combination. with a. cutter, a reciprocatory carriage, abobbin-feeding mechanism comprising a pair of superposed carrier wheels,and means for connecting said wheels for simultaneous rotation, of meansfor actuating one of said wheels to release the finished bobbin duringthe return movement of the carriage and to bring the next blank intoposition to be acted upon by the cutter.

@t. The combination, with a cutter, a re ciprocatory carriage, a pair ofwing wheels for supporting a pair of bobbins, and means for rotativelyconnecting said wheels, of means for holding said wheels againstrotation during initial advancing movement of the carriage, means forpartially rotating said wheels during the final advance movement of thecarriage, and n mus for completing the feed movements of said \vhcclsduring the return of said carriage.

5. The combination, with a cutter, a rcciprocatory carriage, a pair ofsuperposed cooperative wing wheels for supporting a pair of bobbins, andmeans for 'otaiively connecting said wheels, of means for preventingrotation of said wheels during the initial movement of the carriage. amovable cam blade for partially rotating one of said wheels during thefinal advance movcmmit of the carriage, and a stationary cam forcompleting the feed movement of said wheels during the return movementof said carriage.

G. The combination, with a cutter, a reciprocatory carriage, a. pair ofwing wheels for supporting a pair of bobbins, means for rotativelyconnecting said wheels, and a. stationary cam for holding said wheelsagainst rotation during the initial advance movement of the carriage andhaving a face for rotating one of said wheels during the return movementthereof, of means for imparting an advance rotation to one of saidwheels during the final advance movement of the carriage and to bringits operative wing into proper position with said cam face to be engagedthereby during the return movement of the carriage.

7. The combination, with a head cutter, a

tail cutter, and a bobbin holder disposed between said cutters andcomprising a pair of jaws, of means for moving one of said cutterstoward the other and for moving the bobbin holder toward the head cutterand means operated by said movement to bring said aws into engagementwith the bobbin.

8. The combination, with a cutter, a reciprocatory carriage, and abobbin-feeding mechanism comprising a pair of wing wheels and mounted onsaid carriage, of means for advancing said carriage toward the cutter,means for partially rotating said wing wheels near the end of thecarriage movement, and means for-completing the rotative movement of thewing wheels during the return movement of the carriage.

9. The combination, with a cutter, a reciprocatory carriage, and abobbin-feeding mechanism comprising a pair of wing wheels and mounted onsaid carriage, of a cam for advancing said carriage toward the cutter,means for partially rotating said wing wheels near the end of thecarriage movement, a spring for retracting said carriage, and means forcompleting the rotative movement of the wing wheels during the returnmovement of the carriage.

10. The combination, with a cutter, a reciprocatory carriage, and abobbin-feeding mechanism comprising a pair of wing wheels mounted onsaid carriage, of means for ad vancing said carriage toward the cutter,yielding means for partially rotating said wheels near the end of thecarriage movement, means for rapidly retracting said carriage, and meansfor completing the rotative movements of the wing wheels to bring a newbobbin into position relatively to the cutter during the return movementof the carriage.

11. The combination, with a cutter, a reciprocatory carriage and abobbin-feeding mechanism comprising a pair of wing wheels mounted onsaid carriage, of means for advancing said carriage with the blanktoward the cutter, a spring actuated blade for partially rotating saidwheels near the end of the carriage movement, and means for completingthe rotative movement of the wing wheels to bring a new bobbin intoposition relatively to the cutter during the return movement of thecarriage.

12. The combination, with a cutter, a reciprocatory carriage and abobbin-feeding mechanism comprising a pair of wing wheels and mounted onsaid carriage, of positive means for advancing said carriage with theblank toward the cutter, a device for partially rotating said wingwheels near the end of the carriage movement in its advancing direction,a cam plate for completing the rotative movement of the wing wheelduring the return movement of the carriage, and means for rapidlyreturning the carriage to its retracted position.

13. The combination, with a stationary anda movable cutter, areciprocatory carriage interposed and movable between said cutters,means for moving the movable cutteg prior to and during the movement ofsaid carriage toward the stationary cutter, and means for varying thezone of movement of said carriage relatively to the movement of themovable cutter.

14. The combination, with a movable cutter spindle, a stationary secondspindle, and a bobbin support interposed between said cutter spindlesand controlled by the movement of the first cutter spindle, of means forfirst moving said first spindle toward the second spindle, and for thenmoving said support with said spindle, and means for positioning saidmoving-means for varying the zone of movement of the blank support withthe blank relatively to the second spindle.

15. The combination, with a tail cutter, a

head cutter, and a movable bobbin support interposed between saidcutters, of a cam for moving the tail cutter toward the head outter,yielding means for moving the bobbin support with the blank toward thehead cutter, said yielding means being also actuated by said cam, andmeans for varying the zone of movement of the support relatively to themovement of the tail cutter.

16. The combination, with a pair of alined cutters, and abobbin-supporting carriage interposed between said cutters andlongitudinally movable relatively thereto, of a bobbin-feed mechanismsupported on-said carriage, means for guiding successive bobbins intoposition to be operated upon by said cutters, and means for confiningthe position of the bobbin longitudinally on said carriage.

17. The combination, with a pair of alined cutters, and abobbin-supporting carriage interposed betwen said cutters andlongitudinally movable relatively thereto, of a bobbinfeed mechanismsupported on said carriage, means for guiding successive bobbins intoposition to be operated upon by said cutters, and a guide bladesupported on the carriage and for confining the position of the blanklongitudinally on said carriage.

18. In a machine for jointing the ends of bobbins, in combination,opposed axially receiving bobbins and feeding them succesalinedspindles, one thereof essentially being rotative and carrying a cutter,means for sively, vertically, into axial alinement with said spindles,means for advancing one of said spindles to endwise engage thedownwardly fed bobbin and move it into engagement with the cuttercarried by the other spindle, opposed jaws for gripping the spindleadvanced to the jointing action of the spindle-carried cutter, and meansfor actuating said jaws for closing the same upon the bobbinsubstantially simultaneously with the advancement of the bobbin by theone spindle to the action of the cutter carried by the other spindle.

19. In a machine for jointing the ends of bobbins, in combination,opposed axially alined spindles, one having bobbin jointing cutters atthe ends thereof, and one of said spindles being movably mounted toapproach and recede from the other, together with means for impartingits movement thereto, means for feeding bobbins, one at a time, to theline of said spindles, a pair of opposed spindle-gripping jaws locatedbetween the spindles, opposed toggle bars on the approached ends ofwhich the said jaws are carried, the same being pivotally held at theirouter ends, normally angular to each other, arranged to be operated bythe ad vancement of one spindle toward the other, to assume inwardlyapproached movements, whereby they become approximately alined to havetheir jaws grip the bobbin about simultaneously with the forcing of thelatter, 1

by the one spindle to endwise engagement with the other, for sultrjeetmgit to the end ointing action.

20. In a machine of the character deaway from the head cutter, having aspindle axially alined with the head cutter, and means for imparting themovements to the tail stock and its spindle, a carriage slidably mountedon the frame between the approached endsof the said spindles having devices for intermittently downwardly feeding bobbins to the line of saidspindles, normally angularly arranged bars pivotally connected at outerends thereof to the frame having engagements near the inner ends thereofwith said carriage and being provided at their inner ends with opposedbobbin grin ping jaws, and means for forwardly sliding said carriage inconjunction with the forward movement of the tail stock to cause saidbars to assume approximately alined positions transversely of the lineof move ment of the carriage for causing the jaws to grip the bobbinsabout simultaneously with the final forward movement of the carriage.

Signed by me at Springfield. i\lass., in presence of two subscribingwitnesses.

DANA S. (TOURINEY.

lVitnesses Var. S. llmmows, (l. ll. Dmseomi.

